* [dpdk-users] Can't enable RSS in DPDK with MLX5
[not found] <1341016917.230797.1473752094209.ref@mail.yahoo.com>
@ 2016-09-13 7:34 ` MAC Lee
2016-09-14 11:56 ` Olga Shern
0 siblings, 1 reply; 2+ messages in thread
From: MAC Lee @ 2016-09-13 7:34 UTC (permalink / raw)
To: users
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Hi All,
  I encounter a problem when enable RSS in DPDK( I am using 16.04 with OFED 3.3-1.0.4.0) using MLX5 PMD. I tried to enable RSS function in my DPDK application by setting 1.  .rxmode.mq_mode = ETH_MQ_RX_RSS, 2.  .rx_adv_conf.rss_conf.rss_hf = ETH_RSS_PROTO_MASK with RSS key length 40,//I also try ETH_RSS_IPV4 and ETH_RSS_NONFRAG_IPV4_UDP, but still no luck3. update the reta using rte_eth_dev_rss_reta_update
however, when I print out the mbuf->hash.fdir.hash, mbuf->hash.fdir.id, mbuf->hash.rss after rte_eth_rx_burst(). All of these values are 0.
I also test the RSS using Testpmd and modify the testpmd to print those value after  rte_eth_rx_burst(). But still bad luck,  I still got all 0. What I did using Testpmd:1. testpmd -c 0x3f -n 4 -w 06:00.0,txq_inline=200 -- --burst=64 --txd=4096 --rxd=1024 --mbcache=512 --rxq=4 --txq=4 --nb-cores=4 --rss-udp --i2. testpmd>stop3. testpmd>set fwd rxonly4. testpmd> port config all rss udp5. testpmd>start6. Then pump traffic using packet generator and monitor the print out of buf->hash.fdir.hash, mbuf->hash.fdir.id, mbuf->hash.rss in testpmdMay I know how can I enable the RSS function in DPDK application using MLX5 PMD?
Best Regards,Marco
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From: MAC Lee <mac_leehk@yahoo.com.hk>
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Subject: [dpdk-users] Can't enable RSS in DPDK with MLX5
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Hi All,  I encounter a problem when enable RSS in DPDK( I am using 16.04 with OFED 3.3-1.0.4.0) using MLX5 PMD. I tried to enable RSS function in my DPDK application by setting 1.  .rxmode.mq_mode = ETH_MQ_RX_RSS, 2.  .rx_adv_conf.rss_conf.rss_hf = ETH_RSS_PROTO_MASK with RSS key length 40,//I also try ETH_RSS_IPV4 and ETH_RSS_NONFRAG_IPV4_UDP, but still no luck3. update the reta using rte_eth_dev_rss_reta_update
however, when I print out the mbuf->hash.fdir.hash, mbuf->hash.fdir.id, mbuf->hash.rss after rte_eth_rx_burst(). All of these values are 0.
I also test the RSS using Testpmd and modify the testpmd to print those value after  rte_eth_rx_burst(). But still bad luck,  I still got all 0. What I did using Testpmd:1. testpmd -c 0x3f -n 4 -w 06:00.0,txq_inline=200 -- --burst=64 --txd=4096 --rxd=1024 --mbcache=512 --rxq=4 --txq=4 --nb-cores=4 --rss-udp --i2. testpmd>stop3. testpmd>set fwd rxonly4. testpmd> port config all rss udp5. testpmd>start6. Then pump traffic using packet generator and monitor the print out of buf->hash.fdir.hash, mbuf->hash.fdir.id, mbuf->hash.rss in testpmdMay I know how can I enable the RSS function in DPDK application using MLX5 PMD?
Best Regards,Marco
From thomas.monjalon@6wind.com Tue Sep 13 11:03:40 2016
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From: Thomas Monjalon <thomas.monjalon@6wind.com>
To: Michael Wildt <michael.wildt@broadcom.com>
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Date: Tue, 13 Sep 2016 11:03:38 +0200
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Subject: Re: [dpdk-users] Cross compile for ARM64 fails due to librte_vhost
and pmdinfogen issues
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Hi,
2016-09-12 22:20, Michael Wildt:
> I'm attempting to cross compile DPDK on an x86 for an ARM64 target. This
> fails in the following areas, using latest dpdk as of 9/12. When compiling
> natively there are no issues.
Your analysis below seems good.
Interestingly, I do not see such error (don't know why).
Please could you share the commands you are using?
> - librte_vhost, fails with:
>
> /projects/dpdk_latest/lib/librte_vhost/vhost_user/virtio-net-user.c:250:23:
> error: array subscript is above array bounds [-Werror=array-bounds]
> rvq = dev->virtqueue[i * VIRTIO_QNUM + VIRTIO_RXQ];
[...]
> - buildtools/pmdinfogen, fails with:
>
> == Build buildtools/pmdinfogen
> HOSTCC pmdinfogen.o
> /projects/dpdk_test_wget/dpdk-16.07/build/include/rte_byteorder.h:
> Assembler messages:
> /projects/dpdk_test_wget/dpdk-16.07/build/include/rte_byteorder.h:53:
> Error: no such instruction: `rev16 %bx,%bx'
[...]
> - The issue is due to the rte_byteorder.h file which gets symlink'ed with
> the ARM version at the beginning of the build. The pmdinfogen is always
> compiled for x86 thus the asm is failing. I see two ways to address this.
>
> - Have pmdinfogen always pickup the local OS rte_byteorder.h file, not the
> ARCH symlinked one.
Yes we should not use DPDK headers in pmdinfogen or have a host-include/.
> - Fix pmdinfogen such that it gets cross compiled correctly as the rest of
> the code. Did a quick attempt by setting the HOST_OS to 0, , but then it
> fails at the HOST_LD.
No it must be native because it is part of the build system.
^ permalink raw reply [flat|nested] 2+ messages in thread